Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
Sound doesn't travel in space.
255
NASA invented baby food as we know it today.
7
It 'snows' metal on Venus.
13